Tuneable visible resonances in crescent shaped nano-split-ring resonators

被引：53
|
作者：
Clark, A. W. [1 ]
Sheridan, A. K. [1 ]
Glidle, A. [1 ]
Cumming, D. R. S. [1 ]
Cooper, J. M. [1 ]
机构：
[1] Univ Glasgow, Dept Elect & Elect Engn, Glasgow G12 8LT, Lanark, Scotland
来源：
APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 09期
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1063/1.2772180
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Electron beam lithography was used to fabricate gold crescent shaped split-ring resonators with 30 nm minimum feature size. By varying the crescent's arc length over a range of nanometer-scale dimensions the authors demonstrate the tuneability of visible resonances within such structures. Results, which correlate closely with those predicted using finite-difference time-domain modeling, open the way for these devices to be used in near-field biological sensing.
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页数：3
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